In a new post on her blog on Thursday, the 33-year-old reality star, who is about to give birth to her first child, a baby girl, opens up about why she finds her boyfriend, Tristan Thompson, so sexy.

"There are sooooo many things that I find sexy about Tristan," Kardashian writes. "The way he is affectionate with me! The way he isn't afraid to express himself! But above all, I love how much Tristan loves me—and how he always tells me so."

Khloe Kardashian Reveals She's 'Nervous' About This One Part of Motherhood

A source recently told ET that Thompson isn't just a great boyfriend, he's a great partner in helping Kardashian through her journey to motherhood.

"Tristan has been hands-on with helping Khloe through the pregnancy," ET's source said. "He’s very excited to be having a baby girl."

Kardashian and Thompson will soon welcome their daughter in Cleveland, Ohio, where Thompson plays for the Cavaliers. According to ET's source, the reality star's famous family is on call and ready to welcome the newest member of the family. "Grandmother Kris [Jenner] has never missed the birth of a grandchild," the source said, adding that Khloe's family is all set with their flight plans for when they get the call to come to Cleveland.